<template>
  <div class="employees-container">
    <div class="app-container">
      <page-tools>
        <!-- 插入到left插槽位置 -->
        <template #left>
          <span>员工总人数{{ total }}</span>
        </template>
        <!-- 插入到right插槽位置 -->
        <template #right>
          <el-button type="warning" size="small" @click="$router.push('/import')">导入excel</el-button>
          <el-button type="danger" size="small" @click="exportEmployess">导出excel</el-button>
          <el-button type="primary" size="small" @click="showDialog=true">新增员工</el-button>
        </template>

      </page-tools>
      <el-card style="margin-top: 10px;">
        <el-table border :data="list" :default-sort="{prop: 'departmentName', order: 'descending'}">
          <el-table-column width="50" label="序号" type="index" />
          <el-table-column label="姓名" prop="username" />
          <el-table-column label="工号" prop="workNumber" sortable />
          <el-table-column label="聘用形式" prop="formOfEmployment">
            <template #default="{row}">
              {{ formatData(row.formOfEmployment ) }}

            </template>
          </el-table-column>
          <el-table-column label="部门" prop="departmentName" />
          <el-table-column label="入职时间" prop="correctionTime" sortable />
          <!-- <el-table-column label="账户状态" /> -->
          <el-table-column label="操作" width="280">
            <template #default="{row}">
              <el-button type="text" size="small" @click="$router.push(`employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">分配角色</el-button>
              <el-button type="text" size="small" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            :current-page="page"
            layout="prev, pager, next"
            :page-size="size"
            @current-change="handleCurrentChange"
          />
        </el-row>
      </el-card>
      <el-dialog title="添加员工" :visible.sync="showDialog">
        <empDialog @success="hSuccess" @close="showDialog=false" />
      </el-dialog>
    </div>
  </div>
</template>
<script>
import { getEmployees, delEmployees } from '@/api/employees'
import employeesEnum from '@/constant/employees'
import empDialog from './empDialog.vue'
// const hireType = {}
// employeesEnum.hireType.forEach(item => {
//   hireType[item.id] = item.value
// })
const hireType = employeesEnum.hireType.reduce((crr, item) => {
  crr[item.id] = item.value
  return crr
}, {})
export default {
  components: {
    empDialog
  },
  data() {
    return {
      showDialog: false,
      list: [],
      page: 1,
      size: 5,
      total: 0
    }
  },
  created() {
    this.loadEmployees()
  },
  methods: {
    exportEmployess() {
      this.downloadLoading = true
      // import('@/vendor/Export2Excel')  懒加载的方式导入一个模块， 返回值是一个promise实例
      const { tHeader, data } = this.tarnsZhKeyToExcel(this.list)
      import('@/vendor/Export2Excel').then(excel => {
        // excel指的模块对象，那么就可以使用这个模块对象去调用这个模块里面的函数或者访问变量   excel.函数名()
        // const tHeader = ['Id', 'Title', 'Author', 'Readings', 'Date']
        // const filterVal = ['id', 'title', 'author', 'pageviews', 'display_time']
        // const list = this.list
        // console.log(list, 'listaaaaaaaaaaaaaaaaaaaa')
        // const data = this.formatJson(filterVal, list)
        // console.log(data, 'dataaaaaaaaaaaaaaaaa')
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: this.filename,
          autoWidth: this.autoWidth,
          bookType: this.bookType
        })
      })
    },
    tarnsZhKeyToExcel(list) {
      const mapInfo = {
        'id': '编号',
        'password': '密码',
        'mobile': '手机号',
        'username': '姓名',
        'timeOfEntry': '入职日期',
        'formOfEmployment': '聘用形式',
        'correctionTime': '转正日期',
        'workNumber': '工号',
        'departmentName': '部门',
        'staffPhoto': '头像地址'
      }
      // 1.生成表头
      const one = list[0]
      if (!one) return
      const tHeader = Object.keys(one).map(enkey => {
        return mapInfo[enkey]
      })
      // 2.生成表的内容data
      const data = list.map(item => {
        return Object.values(item)
      })
      return { tHeader, data }
    },
    hDel(id) {
      this.$confirm('此操作将永久删除该员工?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        try {
          const res = await delEmployees(id)
          if (res.code === 10000) {
            this.$message.success(res.message)
            if (this.size.length === 1) {
              this.page--
              if (this.page <= 0) {
                this.page = 1
              }
            }
            this.loadEmployees()
          }
        } catch (error) {
          console.log(error)
        }
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    hSuccess() {
      this.total++
      const maxPage = Math.ceil(this.total / this.size)
      this.page = maxPage
      this.loadEmployees()
      this.showDialog = false
    },
    handleCurrentChange(val) {
      this.page = val
      this.loadEmployees()
    },
    formatData(id) {
      return hireType[id] || '未知'
    },
    async loadEmployees() {
      try {
        const res = await getEmployees({ page: this.page, size: this.size })
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        console.log(res)
        this.list = res.data.rows
        this.total = res.data.total
      } catch (error) {
        console.log(error)
      }
    }

  }

}
</script>
